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Super Precision Angular Contact Ball Bearings S71911 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings S71911 CEGA/HCP4A

The S71911 CEGA/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from durable chrome steel. Its compact 13mm width makes it suitable for tight spaces, while the ceramic balls ensure smooth operation.

Designed for angular contact loads, it handles dynamic radial loads up to 3510 lbf and spins at speeds up to 34,000 RPM. The sealed design keeps grease in and contaminants out, ideal for long-term use.

With a phenolic cage and P4A tolerance class, it offers high precision and low friction. The bearing works in temperatures from -30°C to 110°C, making it versatile for various environments.

This model is interchangeable with SKF bearings and comes in matched sets for universal mounting options. Perfect for high-speed applications like machine tools or precision instruments. Weighing just 0.15kg, it’s lightweight yet robust.

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Product Parameters

  • Part Number S71911 CEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3510 lbf
  • Static Radial Load 2385 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.15 kg
Super Precision Angular Contact Ball Bearings S71911 CEGA/HCP4A dimension drawing
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Features

Performance Features of S71911 CEGA/HCP4A Bearing

S71911 CEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
The 15° contact angle allows it to handle both radial and axial loads efficiently.

With a dynamic radial load capacity of 3510 lbf, it performs reliably in demanding applications.
The phenolic cage maintains ball alignment, reducing friction and extending service life.

S71911 CEGA/HCP4A Bearing operates smoothly at speeds up to 34,000 rpm, thanks to its grease lubrication.
Its sealed design protects against contaminants, making it suitable for various environments.

The P4A tolerance class ensures exceptional accuracy, ideal for precision machinery.
Its compact size (55 mm×80 mm×13 mm) makes it a versatile choice for space-constrained applications.

Application

Key Fields for S71911 CEGA/HCP4A Bearing
S71911 CEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for applications demanding smooth operation.

In robotics, S71911 CEGA/HCP4A Bearing supports articulated arms, providing stability during rapid movements. Its sealed design helps keep contaminants out, extending service life in dusty environments.

For medical imaging devices, S71911 CEGA/HCP4A Bearing’s phenolic cage and grease lubrication offer quiet performance, essential for sensitive equipment. The P4A tolerance class guarantees consistent accuracy in critical diagnostics.

Automotive applications like electric vehicle motors benefit from S71911 CEGA/HCP4A Bearing’s high-speed capability and lightweight construction. The extra light preload ensures minimal energy loss during operation.

Q&A

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